<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>jQuery的2把利器</title>
	<script type="text/javascript" src="js/jquery-3.6.0.js"></script>
</head>
<body>
<script type="text/javascript">
// jQuery函数：直接可用
console.log($, typeof $);  // ƒ ( selector, context ) {}    function
console.log(jQuery === $); // true
// jQuery对象：执行jQuery函数得到它
console.log($(), typeof $(), $() instanceof Object); // jQuery.fn.init {} "object" true
</script>
</body>
</html>